dlls/wininet/utility.c

   1 /*
   2  * Wininet - Utility functions
   3  *
   4  * Copyright 1999 Corel Corporation
   5  * Copyright 2002 CodeWeavers Inc.
   6  *
   7  * Ulrich Czekalla
   8  * Aric Stewart
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include "wine/port.h"
  27
  28 #include <stdarg.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <time.h>
  32
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "wininet.h"
  36 #include "winerror.h"
  37 #include "winnls.h"
  38
  39 #include "wine/debug.h"
  40 #include "internet.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(wininet);
  43
  44 #define TIME_STRING_LEN  30
  45
  46 time_t ConvertTimeString(LPCWSTR asctime)
  47 {
  48     WCHAR tmpChar[TIME_STRING_LEN];
  49     WCHAR *tmpChar2;
  50     struct tm t;
  51     int timelen = strlenW(asctime);
  52
  53     if(!timelen)
  54         return 0;
  55
  56     /* FIXME: the atoiWs below rely on that tmpChar is \0 padded */
  57     memset( tmpChar, 0, sizeof(tmpChar) );
  58     lstrcpynW(tmpChar, asctime, TIME_STRING_LEN);
  59
  60     /* Assert that the string is the expected length */
  61     if (strlenW(asctime) >= TIME_STRING_LEN) FIXME("\n");
  62
  63     /* Convert a time such as 'Mon, 15 Nov 1999 16:09:35 GMT' into a SYSTEMTIME structure
  64      * We assume the time is in this format
  65      * and divide it into easy to swallow chunks
  66      */
  67     tmpChar[3]='\0';
  68     tmpChar[7]='\0';
  69     tmpChar[11]='\0';
  70     tmpChar[16]='\0';
  71     tmpChar[19]='\0';
  72     tmpChar[22]='\0';
  73     tmpChar[25]='\0';
  74
  75     t.tm_year = atoiW(tmpChar+12) - 1900;
  76     t.tm_mday = atoiW(tmpChar+5);
  77     t.tm_hour = atoiW(tmpChar+17);
  78     t.tm_min = atoiW(tmpChar+20);
  79     t.tm_sec = atoiW(tmpChar+23);
  80
  81     /* and month */
  82     tmpChar2 = tmpChar + 8;
  83     switch(tmpChar2[2])
  84     {
  85         case 'n':
  86             if(tmpChar2[1]=='a')
  87                 t.tm_mon = 0;
  88             else
  89                 t.tm_mon = 5;
  90             break;
  91         case 'b':
  92             t.tm_mon = 1;
  93             break;
  94         case 'r':
  95             if(tmpChar2[1]=='a')
  96                 t.tm_mon = 2;
  97             else
  98                 t.tm_mon = 3;
  99             break;
 100         case 'y':
 101             t.tm_mon = 4;
 102             break;
 103         case 'l':
 104             t.tm_mon = 6;
 105             break;
 106         case 'g':
 107             t.tm_mon = 7;
 108             break;
 109         case 'p':
 110             t.tm_mon = 8;
 111             break;
 112         case 't':
 113             t.tm_mon = 9;
 114             break;
 115         case 'v':
 116             t.tm_mon = 10;
 117             break;
 118         case 'c':
 119             t.tm_mon = 11;
 120             break;
 121         default:
 122             FIXME("\n");
 123     }
 124
 125     return mktime(&t);
 126 }
 127
 128
 129 BOOL GetAddress(LPCWSTR lpszServerName, INTERNET_PORT nServerPort,
 130         struct sockaddr_in *psa)
 131 {
 132     WCHAR *found;
 133     char *name;
 134     int len, sz;
 135     struct hostent *phe;
 136
 137     TRACE("%s\n", debugstr_w(lpszServerName));
 138
 139     /* Validate server name first
 140      * Check if there is sth. like
 141      * pinger.macromedia.com:80
 142      * if yes, eliminate the :80....
 143      */
 144     found = strchrW(lpszServerName, ':');
 145     if (found)
 146         len = found - lpszServerName;
 147     else
 148         len = strlenW(lpszServerName);
 149
 150     sz = WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, NULL, 0, NULL, NULL );
 151     name = HeapAlloc(GetProcessHeap(), 0, sz+1);
 152     WideCharToMultiByte( CP_UNIXCP, 0, lpszServerName, len, name, sz, NULL, NULL );
 153     name[sz] = 0;
 154     phe = gethostbyname(name);
 155     HeapFree( GetProcessHeap(), 0, name );
 156
 157     if (NULL == phe)
 158     {
 159         TRACE("Failed to get hostname: (%s)\n", debugstr_w(lpszServerName) );
 160         return FALSE;
 161     }
 162
 163     memset(psa,0,sizeof(struct sockaddr_in));
 164     memcpy((char *)&psa->sin_addr, phe->h_addr, phe->h_length);
 165     psa->sin_family = phe->h_addrtype;
 166     psa->sin_port = htons((u_short)nServerPort);
 167
 168     return TRUE;
 169 }
 170
 171 /*
 172  * Helper function for sending async Callbacks
 173  */
 174
 175 static const char *get_callback_name(DWORD dwInternetStatus) {
 176     static const wininet_flag_info internet_status[] = {
 177 #define FE(x) { x, #x }
 178         FE(INTERNET_STATUS_RESOLVING_NAME),
 179         FE(INTERNET_STATUS_NAME_RESOLVED),
 180         FE(INTERNET_STATUS_CONNECTING_TO_SERVER),
 181         FE(INTERNET_STATUS_CONNECTED_TO_SERVER),
 182         FE(INTERNET_STATUS_SENDING_REQUEST),
 183         FE(INTERNET_STATUS_REQUEST_SENT),
 184         FE(INTERNET_STATUS_RECEIVING_RESPONSE),
 185         FE(INTERNET_STATUS_RESPONSE_RECEIVED),
 186         FE(INTERNET_STATUS_CTL_RESPONSE_RECEIVED),
 187         FE(INTERNET_STATUS_PREFETCH),
 188         FE(INTERNET_STATUS_CLOSING_CONNECTION),
 189         FE(INTERNET_STATUS_CONNECTION_CLOSED),
 190         FE(INTERNET_STATUS_HANDLE_CREATED),
 191         FE(INTERNET_STATUS_HANDLE_CLOSING),
 192         FE(INTERNET_STATUS_REQUEST_COMPLETE),
 193         FE(INTERNET_STATUS_REDIRECT),
 194         FE(INTERNET_STATUS_INTERMEDIATE_RESPONSE),
 195         FE(INTERNET_STATUS_USER_INPUT_REQUIRED),
 196         FE(INTERNET_STATUS_STATE_CHANGE),
 197         FE(INTERNET_STATUS_COOKIE_SENT),
 198         FE(INTERNET_STATUS_COOKIE_RECEIVED),
 199         FE(INTERNET_STATUS_PRIVACY_IMPACTED),
 200         FE(INTERNET_STATUS_P3P_HEADER),
 201         FE(INTERNET_STATUS_P3P_POLICYREF),
 202         FE(INTERNET_STATUS_COOKIE_HISTORY)
 203 #undef FE
 204     };
 205     DWORD i;
 206
 207     for (i = 0; i < (sizeof(internet_status) / sizeof(internet_status[0])); i++) {
 208         if (internet_status[i].val == dwInternetStatus) return internet_status[i].name;
 209     }
 210     return "Unknown";
 211 }
 212
 213 VOID INTERNET_SendCallback(LPWININETHANDLEHEADER hdr, DWORD dwContext,
 214                            DWORD dwInternetStatus, LPVOID lpvStatusInfo,
 215                            DWORD dwStatusInfoLength)
 216 {
 217     LPVOID lpvNewInfo = NULL;
 218
 219     if( !hdr->lpfnStatusCB )
 220         return;
 221
 222     /* the IE5 version of wininet does not
 223        send callbacks if dwContext is zero */
 224     if( !dwContext )
 225         return;
 226
 227     lpvNewInfo = lpvStatusInfo;
 228     if(hdr->dwInternalFlags & INET_CALLBACKW) {
 229         switch(dwInternetStatus) {
 230         case INTERNET_STATUS_NAME_RESOLVED:
 231         case INTERNET_STATUS_CONNECTING_TO_SERVER:
 232         case INTERNET_STATUS_CONNECTED_TO_SERVER:
 233             lpvNewInfo = WININET_strdup_AtoW(lpvStatusInfo);
 234             break;
 235         case INTERNET_STATUS_RESOLVING_NAME:
 236         case INTERNET_STATUS_REDIRECT:
 237             lpvNewInfo = WININET_strdupW(lpvStatusInfo);
 238             break;
 239         }
 240     }else {
 241         switch(dwInternetStatus)
 242         {
 243         case INTERNET_STATUS_NAME_RESOLVED:
 244         case INTERNET_STATUS_CONNECTING_TO_SERVER:
 245         case INTERNET_STATUS_CONNECTED_TO_SERVER:
 246             lpvNewInfo = HeapAlloc(GetProcessHeap(), 0, strlen(lpvStatusInfo) + 1);
 247             if (lpvNewInfo) strcpy(lpvNewInfo, lpvStatusInfo);
 248             break;
 249         case INTERNET_STATUS_RESOLVING_NAME:
 250         case INTERNET_STATUS_REDIRECT:
 251             lpvNewInfo = WININET_strdup_WtoA(lpvStatusInfo);
 252             break;
 253         }
 254     }
 255
 256     TRACE(" callback(%p) (%p (%p), %08x, %d (%s), %p, %d)\n",
 257           hdr->lpfnStatusCB, hdr->hInternet, hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
 258           lpvNewInfo, dwStatusInfoLength);
 259
 260     hdr->lpfnStatusCB(hdr->hInternet, dwContext, dwInternetStatus,
 261                       lpvNewInfo, dwStatusInfoLength);
 262
 263     TRACE(" end callback().\n");
 264
 265     if(lpvNewInfo != lpvStatusInfo)
 266         HeapFree(GetProcessHeap(), 0, lpvNewInfo);
 267 }
 268
 269 static void SendAsyncCallbackProc(WORKREQUEST *workRequest)
 270 {
 271     struct WORKREQ_SENDCALLBACK const *req = &workRequest->u.SendCallback;
 272
 273     TRACE("%p\n", workRequest->hdr);
 274
 275     INTERNET_SendCallback(workRequest->hdr,
 276                           req->dwContext, req->dwInternetStatus, req->lpvStatusInfo,
 277                           req->dwStatusInfoLength);
 278
 279     /* And frees the copy of the status info */
 280     HeapFree(GetProcessHeap(), 0, req->lpvStatusInfo);
 281 }
 282
 283 VOID SendAsyncCallback(LPWININETHANDLEHEADER hdr, DWORD dwContext,
 284                        DWORD dwInternetStatus, LPVOID lpvStatusInfo,
 285                        DWORD dwStatusInfoLength)
 286 {
 287     TRACE("(%p, %08x, %d (%s), %p, %d): %sasync call with callback %p\n",
 288           hdr, dwContext, dwInternetStatus, get_callback_name(dwInternetStatus),
 289           lpvStatusInfo, dwStatusInfoLength,
 290           hdr->dwFlags & INTERNET_FLAG_ASYNC ? "" : "non ",
 291           hdr->lpfnStatusCB);
 292
 293     if (!(hdr->lpfnStatusCB))
 294         return;
 295
 296     if (hdr->dwFlags & INTERNET_FLAG_ASYNC)
 297     {
 298         WORKREQUEST workRequest;
 299         struct WORKREQ_SENDCALLBACK *req;
 300         void *lpvStatusInfo_copy = lpvStatusInfo;
 301
 302         if (lpvStatusInfo)
 303         {
 304             lpvStatusInfo_copy = HeapAlloc(GetProcessHeap(), 0, dwStatusInfoLength);
 305             memcpy(lpvStatusInfo_copy, lpvStatusInfo, dwStatusInfoLength);
 306         }
 307
 308         workRequest.asyncproc = SendAsyncCallbackProc;
 309         workRequest.hdr = WININET_AddRef( hdr );
 310         req = &workRequest.u.SendCallback;
 311         req->dwContext = dwContext;
 312         req->dwInternetStatus = dwInternetStatus;
 313         req->lpvStatusInfo = lpvStatusInfo_copy;
 314         req->dwStatusInfoLength = dwStatusInfoLength;
 315
 316         INTERNET_AsyncCall(&workRequest);
 317     }
 318     else
 319         INTERNET_SendCallback(hdr, dwContext, dwInternetStatus,
 320                               lpvStatusInfo, dwStatusInfoLength);
 321 }